What is the answer to 441y^{-4}-58y^{-2}+1=0 ?

The answer to 441y^{-4}-58y^{-2}+1=0 is y=7,y=-7,y=3,y=-3

Solve for y: 441y^{-4}-58y^{-2}+1=0

The solution is y=7,y=-7,y=3,y=-3

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441 y^{- 4} - 58 y^{- 2} + 1 = 0

y = 7, y = - 7, y = 3, y = - 3

Solution steps

441 y^{- 4} - 58 y^{- 2} + 1 = 0

Refine

\frac{441}{y ^{4}} - \frac{58}{y ^{2}} + 1 = 0

Multiply by LCM

441 - 58 y^{2} + y^{4} = 0

Solve

441 - 58 y^{2} + y^{4} = 0 : y = 7, y = - 7, y = 3, y = - 3

y = 7, y = - 7, y = 3, y = - 3

Verify Solutions

Find undefined (singularity) points:

y = 0

Combine undefined points with solutions:

y = 7, y = - 7, y = 3, y = - 3

4 x - \frac{4000}{x ^{2}} = 0

\frac{4}{3} = \frac{2 + x}{x}

\frac{4}{x} + \frac{4}{x - 1} = 1

20 a^{- 2} + 21 a^{- 1} - 5 = 0

\frac{1}{8} = \frac{1}{1 - 2 c}

What is the answer to 441y^{-4}-58y^{-2}+1=0 ?
The answer to 441y^{-4}-58y^{-2}+1=0 is y=7,y=-7,y=3,y=-3
Solve for y: 441y^{-4}-58y^{-2}+1=0
The solution is y=7,y=-7,y=3,y=-3